Question

Express each row of Pascal's triangle using combinations. Leave each term in the form $_{n} C_{r}$. a) $1 \quad 2 \quad 1$ b) $1 \quad 4 \quad 6 \quad 4 \quad 1$ c) $1 \quad 7 \quad 21 \quad 35 \quad 35 \quad 21 \quad 7 \quad 1$

          Express each row of Pascal's triangle using combinations. Leave each term in the form $_{n} C_{r}$.
a) $1 \quad 2 \quad 1$
b) $1 \quad 4 \quad 6 \quad 4 \quad 1$
c) $1 \quad 7 \quad 21 \quad 35 \quad 35 \quad 21 \quad 7 \quad 1$

Added by Patricia B.

Precalculus with Limits

Ron Larson 2nd Edition

Instant Answer

Solved by Expert Steven Clarke

05/05/2022

Step 1

Step 1: For the row $1 \quad 2 \quad 1$, we can express it using combinations as $_{2}C_{0} \quad _{2}C_{1} \quad _{2}C_{2}$. Show more…

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Express each row of Pascal's triangle using combinations. Leave each term in the form $_{n} C_{r}$. a) $1 \quad 2 \quad 1$ b) $1 \quad 4 \quad 6 \quad 4 \quad 1$ c) $1 \quad 7 \quad 21 \quad 35 \quad 35 \quad 21 \quad 7 \quad 1$